Zeltweg Air Base, now known as Fliegerhorst Hinterstoisser, is a military airfield in Styria, Austria near Zeltweg. It is the main airfield of the Austrian Air Force. It was also used as a motor racing circuit in the 1960s.

Zeltweg is a town in Styria, Austria. It is located in the Aichfeld basin of the Mur River in Upper Styria. Larger municipalities in the vicinity are Judenburg, Knittelfeld and Fohnsdorf.